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Spark Plug
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Spark Plug (NGK) for 2012-2023 Mercedes-Benz NEW

$ 27 .80
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

⚠️ Most jobs typically require 6 of this item.
Specially indexed spark plug. Do not use alternatives. Gap 0.028" OE Equivalent Design; OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs. 60,000 mi OE Mfr Recommended Service Interval
Laser Iridium High Ignitability Spark Plug
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.
Brand: NGK
Condition: New
See All Other Spark Plugs
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Specifications & Info


Attribute Value
Center Electrode Core Material Copper
Center Electrode Design Fine Wire
Center Electrode Insulator Tip Projection 0.20, 5.0
Center Electrode Projection Long Projection
Center Electrode Tip Material Iridium
Electrical Terminal Type Cup
Grade Type Performance
Ground Configuration J-gap
Ground Electrode Core Material Copper
Ground Electrode Quantity 1
Ground Electrode Tip Design Projected Square Platinum Electrode (pspe) - High Ignitability
Ground Electrode Tip Material Platinum
Hex Size 14mm
Indexed Yes
Insulator Height 2.01, 51.0
Insulator Material Ceramic
Material Grade Iridium Platinum
Part Number Silzkfr8g7s
Pre Gap Size .028, 0.7
Reach 1.043, 26.5
Resistance 1000.0
Resistor Type Yes
Seat Type Flat
Service Number Silzkfr8g7s
Short Style Spark Plug No
Skirt Yes
Skirt Length 0.020, 0.5
Stock Number 96427
Thread Diameter 0.472, 12.0
Washer Included Yes
Washer Type Flat

Vehicle Fitment Guide

This part fits the following vehicles:

Mercedes-Benz 29 models (tapclick to expand)(tapclick to hide)
C300 2013-2014 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2013 - 2014 V6 3.5L AWD Automatic
4Matic Sedan 2013 - 2014 V6 3.5L FLEX AWD Automatic
4Matic Luxury Sedan 2013 - 2014 V6 3.5L AWD Automatic
4Matic Sport Sedan 2013 - 2014 V6 3.5L AWD Automatic
C350 2012-2014 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Coupe 2012 - 2014 V6 3.5L AWD Automatic
Base Coupe 2012 - 2014 V6 3.5L RWD Automatic
Base Coupe 2012 - 2014 V6 3.5L FLEX RWD Automatic
Base Sedan 2012 V6 3.5L RWD Automatic
Sport Sedan 2012 - 2014 V6 3.5L RWD Automatic
Sport Sedan 2012 - 2014 V6 3.5L FLEX RWD Automatic
C400 2015 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2015 V6 3.0L Turbo AWD Automatic
C43 AMG 2017-2023 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Convertible 2023 L4 2.0L MILD HYBRID EV-GAS (MHEV) Turbo AWD Automatic & Automatic Dual Clutch
4Matic Convertible 2023 V6 3.0L Turbo AWD Automatic Dual Clutch
4Matic Convertible 2017 - 2023 V6 3.0L Turbo AWD Automatic
4Matic Coupe 2023 L4 2.0L MILD HYBRID EV-GAS (MHEV) Turbo AWD Automatic & Automatic Dual Clutch
4Matic Coupe 2023 V6 3.0L Turbo AWD Automatic Dual Clutch
4Matic Coupe 2017 - 2023 V6 3.0L Turbo AWD Automatic
4Matic Sedan 2023 L4 2.0L MILD HYBRID EV-GAS (MHEV) Turbo AWD Automatic & Automatic Dual Clutch
4Matic Sedan 2023 V6 3.0L Turbo AWD Automatic Dual Clutch
4Matic Sedan 2017 - 2021, 2023 V6 3.0L Turbo AWD Automatic
4Matic Wagon 2019 - 2021 V6 3.0L Turbo AWD Automatic
C450 AMG 2016 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2016 V6 3.0L Turbo AWD Automatic
CLA45 AMG 2014-2019 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2014 - 2019 L4 2.0L Turbo AWD Automatic Dual Clutch
4Matic Sedan 2014 - 2016 L4 2.0L Turbo AWD Manual
CLS400 2015-2017 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2015 - 2017 V6 3.0L Turbo AWD Automatic
Base Sedan 2015 - 2017 V6 3.0L Turbo RWD Automatic
Base Sedan 2015 - 2016 V6 3.5L Turbo RWD Automatic
CGI Sedan 2017 V6 3.5L Turbo RWD Automatic
E300 2014-2016 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2014 - 2016 V6 3.5L AWD Automatic
E350 2012-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Coupe 2013 - 2014 V6 3.5L FLEX AWD Automatic
4Matic Coupe 2012 - 2014 V6 3.5L AWD Automatic
4Matic Sedan 2012 - 2016 V6 3.5L AWD Automatic
4Matic Sedan 2012 - 2016 V6 3.5L FLEX AWD Automatic
4Matic Wagon 2012 - 2016 V6 3.5L AWD Automatic
4Matic Wagon 2012 - 2016 V6 3.5L FLEX AWD Automatic
Base Convertible 2012 - 2014 V6 3.5L RWD Automatic
Base Convertible 2012 - 2014 V6 3.5L FLEX RWD Automatic
Base Coupe 2012 - 2014 V6 3.5L RWD Automatic
Base Coupe 2012 - 2014 V6 3.5L FLEX RWD Automatic
Base Sedan 2012 - 2016 V6 3.5L RWD Automatic
Base Sedan 2012 - 2016 V6 3.5L FLEX RWD Automatic
Bluetec Sedan 2012 - 2013 V6 3.0L DIESEL Turbo RWD Automatic
E400 2014-2018 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Convertible 2018 V6 3.0L Turbo AWD Automatic
4Matic Coupe 2015 - 2018 V6 3.0L Turbo AWD Automatic
4Matic Sedan 2015 - 2018 V6 3.0L Turbo AWD Automatic
4Matic Wagon 2015 - 2018 V6 3.0L Turbo AWD Automatic
4Matic Avantgarde Sedan 2017 V6 3.5L Turbo AWD Automatic
4Matic Exclusive Sedan 2017 - 2018 V6 3.5L Turbo AWD Automatic
4Matic Sport Sedan 2018 V6 3.5L Turbo AWD Automatic
Base Convertible 2014 - 2018 V6 3.0L Turbo RWD Automatic
Base Coupe 2014 - 2018 V6 3.0L Turbo RWD Automatic
Base Sedan 2015 - 2016 V6 3.0L Turbo RWD Automatic
CGI Convertible 2017 V6 3.0L Turbo RWD Automatic
CGI Coupe 2017 V6 3.0L Turbo RWD Automatic
Hybrid Sedan 2014 - 2015 V6 3.5L FULL HYBRID EV-GAS (FHEV) RWD Automatic
Sport Sedan 2014 - 2016 V6 3.0L Turbo RWD Automatic
E43 AMG 2017-2018 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2017 - 2018 V6 3.0L Turbo AWD Automatic
E450 2019-2020 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Convertible 2019 - 2020 V6 3.0L Turbo AWD Automatic
4Matic Coupe 2019 - 2020 V6 3.0L Turbo AWD Automatic
4Matic Sedan 2019 - 2020 V6 3.0L Turbo AWD Automatic
4Matic Wagon 2019 - 2020 V6 3.0L Turbo AWD Automatic
Base Convertible 2019 - 2020 V6 3.0L Turbo RWD Automatic
Base Coupe 2019 - 2020 V6 3.0L Turbo RWD Automatic
Exclusive Sedan 2019 V6 3.0L Turbo AWD Automatic
Sport Sedan 2019 V6 3.0L Turbo AWD Automatic
GL450 2015-2016 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2015 - 2016 V6 3.0L Turbo AWD Automatic
GLA45 AMG 2015-2019 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2015 - 2019 L4 2.0L Turbo AWD Automatic Dual Clutch
4Matic SUV 2015 - 2016 L4 2.0L Turbo AWD Manual
GLC43 AMG 2017-2023 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2017 - 2023 V6 3.0L Turbo AWD Automatic
4Matic Sport Utility Coupe 2017 - 2023 V6 3.0L Turbo AWD Automatic
Coupe SUV 2020 - 2021 V6 3.0L Turbo AWD Automatic
GLE350 2016-2018 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2016 - 2018 V6 3.5L AWD Automatic
4Matic SUV 2016 - 2018 V6 3.5L FLEX AWD Automatic
Base SUV 2016 - 2018 V6 3.5L RWD Automatic
Exclusive SUV 2017 - 2018 V6 3.5L RWD Automatic Dual Clutch
Exclusive SUV 2016 V6 3.5L RWD Automatic
GLE400 2016-2019 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2016 - 2019 V6 3.0L Turbo AWD Automatic
Guard VR4 SUV 2018 V6 3.0L Turbo AWD Automatic Dual Clutch
Sport SUV 2017 - 2019 V6 3.0L Turbo AWD Automatic Dual Clutch
Sport SUV 2016 V6 3.0L Turbo AWD Automatic
GLE43 AMG 2017-2019 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2018 V6 3.0L Turbo AWD Automatic Dual Clutch
4Matic SUV 2017 - 2019 V6 3.0L Turbo AWD Automatic
4Matic Sport Utility Coupe 2017 - 2019 V6 3.0L Turbo AWD Automatic
GLE450 AMG 2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2016 V6 3.0L Turbo AWD Automatic
4Matic Sport Utility Coupe 2016 V6 3.0L Turbo AWD Automatic
Sport Sport Utility Coupe 2016 V6 3.0L Turbo AWD Automatic
GLE550e 2016-2018 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2016 - 2018 V6 3.0L PLUG-IN HYBRID EV-GAS (PHEV) Turbo AWD Automatic
GLS450 2017-2019 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2017 - 2019 V6 3.0L Turbo AWD Automatic
ML350 2012-2015 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2012 - 2015 V6 3.5L AWD Automatic
4Matic SUV 2012 - 2015 V6 3.5L FLEX AWD Automatic
Base SUV 2013 - 2015 V6 3.5L RWD Automatic
Base SUV 2012 - 2014 V6 3.5L AWD Automatic
Base SUV 2012 V8 4.7L AWD Automatic
Bluetec 4Matic SUV 2012 - 2015 V6 3.0L DIESEL Turbo AWD Automatic
Exclusive SUV 2015 V6 3.5L RWD Automatic
Sport SUV 2015 V6 3.5L AWD Automatic
ML400 2015 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic SUV 2015 V6 3.0L Turbo AWD Automatic
S450 2018-2020 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
4Matic Sedan 2018 - 2020 V6 3.0L Turbo AWD Automatic
Base Sedan 2018 - 2020 V6 3.0L Turbo RWD Automatic
S550e 2015-2017 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2015 - 2017 V6 3.0L PLUG-IN HYBRID EV-GAS (PHEV) Turbo RWD Automatic
S560e 2019-2020 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2019 - 2020 V6 3.0L PLUG-IN HYBRID EV-GAS (PHEV) Turbo RWD Automatic
Hybrid Sedan 2019 - 2020 V6 3.0L PLUG-IN HYBRID EV-GAS (PHEV) Turbo RWD Automatic Dual Clutch
SL400 2015-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2015 - 2016 V6 3.0L Turbo RWD Automatic
SL450 2017-2020 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2017 - 2020 V6 3.0L Turbo RWD Automatic
SLC43 AMG 2017-2020 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2017 - 2020 V6 3.0L Turbo RWD Automatic
Final Edition Convertible 2020 V6 3.0L Turbo RWD Automatic
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.

Interchange Parts

Brand Part Number
NGK 96427

Fits Years: 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

Fits Models: C300, C350, C400, C43 AMG, C450 AMG, CLA45 AMG, CLS400, E300, E350, E400, E43 AMG, E450, GL450, GLA45 AMG, GLC43 AMG, GLE350, GLE400, GLE43 AMG, GLE450 AMG, GLE550e, GLS450, ML350, ML400, S450, S550e, S560e, SL400, SL450, SLC43 AMG

Expert Guides

A Guide to Aftermarket Spark Plugs for the 2008-2013 Mercedes-Benz C300

Keep your C300's V6 engine running smoothly with the right set of new spark plugs.

 Read Full Guide →

Related Trouble Codes (OBD-II)

4 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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